SIMATIC S7-400, function module FM 450-1 for counter function with 2 channels...
6ES7450-1AP01-0AE0
SIMATIC S7-400, positioning module FM 451 for rapid/slow traverse drives, 3...
6ES7451-3AL00-0AE0
SIMATIC S7-400, cam control system FM 452, electronic incl. configuration...
6ES7452-1AH00-0AE0
SIMATIC S7-400, function module FM 453, (3-channel) for positioning with...
6ES7453-3AH00-0AE0